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TABLE: 33 CYPRUS YAMPA VALLEY COAL CORPORATTON: MINE NO. 1, 2 AND ECKMAN PARK 1998 ANNUAL HYDROLOGY REPORT WATER QUALITY MONITORUVG DATA SITE: Spring 1860310 (Spriog C-1) DATUM 6960.00' 1cld::"~".::::~;:~!;<':;.:;:.:''~;%::::::<:'~:':;':~.:'~~:::.:;": ~:'::~::~:::~:~':~~ OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUC SEP PB~IDatP,!S:'~::'~'~:%::':'~`:::%'::~:~:::~'~':~:?:::::::~::::::~.:':::::~:?:::":~:~~::::~: . 03-Nov-97 02-Mar-98 13-A r-98 27-Ma -98 29-Jun-98 10-Se 98 Water Level -0.27 -0 26 -0.29 -0.5 -0.43 -0.22 Flow (cfs) 0308 0.285 0.355 0.755 0.972 0.204 TEMPERATURE FIELD DEGREESC 10.5 9 9.3 I7 IS 12 CONDUCTIVITY FIELD UMHOS/CM 3780 3640 3620 3700 3800 3450 PH FIELD PH 6.79 6 48 6.58 6.6 6.4 6.4 CONDUCnVITY LAB UMHOS/CM 3910 3910 4060 PH LAB PH 7,3 7.1 6.8 SOLIDS DISSOLVED MG/L 3910 7860 4040 SOLIDS SUSPENDED MG/L -5 -5 -5 ALKAL[MTY TOTAL MG/L 677 694 690 HARDNESS TOTAL MG/L 3100 3850 2840 CALCRJM DISSOLVED MG/L 625 536 552 MAGNESIUM DISSOLVED MG/L 373 611 }55 SODIUM DISSOLVED MG/L 40 38.1 37 SAR NOT APPLICABLE UNDEFINED 0.31 SULFA7-E NOT APPLICABLE MG/L 2180 2280 2290 BICARBONATE AS HC03 MG/L 826 847 842 CARBONATE AS C03 MG/L -2 -2 -2 HYDROXIDE AS OH MG/L -2 -2 -2 CADMIUM TOTAL RECOV UG/L -0.5 -6 8 MERCURY TOTAL RECOV UG/L -0.2 -0 2 -0 2 SELENIUM TOTAL RECOV UG/L -I -1 -I SILVER TOTAL RECOV UG/L ~-l -10 .Ip ZINC TOTAL RECOV UG/L 20 30 ;0 IRON TOTAL RECOV UG/L 270 100 210 MANGANESE TOTAL RECOV UG/L 1990 1870 Ig9p MOLYBDENUM TOTAL RECOV UG/L -100 -20 -20 NTIROGI7J AMMIUM-TOTAL MG/L 0,54 0.43 1.45 MTROGEN AMMIA-FREE MC/L -0.01 -0.01 -0.01 NITROGEN NITRATE MG/L -U.02 0.08 p.07 MTROGEN NITRITE MG/L -0.01 -0.01 -0.Ol NITROGEN N03+N02 MG/L -0 02 0.08 0.07 PHOSPHATE ORTHO•DISS MG/L -0.005 0,037 -0.005 I^FNIIrvIRONI.¢MALUHR\1991 `LYVCC.%LS